init(forReadingWith:)
Returns an NSUnarchiver object initialized to read an archive from a given data object.
Declaration
init?(forReadingWith data: Data)Parameters
- data:
The archive data.
Return Value
An NSUnarchiver object initialized to read an archive from data. Returns nil if data is not a valid archive.
Discussion
The method decodes the system version number that was archived in data prepares the NSUnarchiver object for a subsequent invocation of decodeObject().
Raises an NSInvalidArgumentException if data is nil.
See Also
Related Documentation
- Archives and Serializations Programming Guide
systemVersion